/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.support.v4.os;

import android.os.Parcel;
import android.os.Parcelable;

/**
 * Helper for accessing features in {@link android.os.Parcelable} introduced
 * after API level 4 in a backwards compatible fashion.
 */
public class ParcelableCompat {

	/**
	 * Factory method for {@link Parcelable.Creator}.
	 * 
	 * @param callbacks
	 *            Creator callbacks implementation.
	 * @return New creator.
	 */
	public static <T> Parcelable.Creator<T> newCreator(ParcelableCompatCreatorCallbacks<T> callbacks) {
		if (android.os.Build.VERSION.SDK_INT >= 13) {
			ParcelableCompatCreatorHoneycombMR2Stub.instantiate(callbacks);
		}
		return new CompatCreator<T>(callbacks);
	}

	static class CompatCreator<T> implements Parcelable.Creator<T> {
		final ParcelableCompatCreatorCallbacks<T> mCallbacks;

		public CompatCreator(ParcelableCompatCreatorCallbacks<T> callbacks) {
			mCallbacks = callbacks;
		}

		@Override
		public T createFromParcel(Parcel source) {
			return mCallbacks.createFromParcel(source, null);
		}

		@Override
		public T[] newArray(int size) {
			return mCallbacks.newArray(size);
		}
	}
}
